1123201104203 has 12 divisors (see below), whose sum is σ = 1151359187280. Its totient is φ = 1095715763520.

The previous prime is 1123201104197. The next prime is 1123201104217. The reversal of 1123201104203 is 3024011023211.

It is not a de Polignac number, because 1123201104203 - 2¹⁶ = 1123201038667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123201104803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30439601 + ... + 30476477.

It is an arithmetic number, because the mean of its divisors is an integer number (95946598940).

Almost surely, 2^{1123201104203} is an apocalyptic number.

1123201104203 is a deficient number, since it is larger than the sum of its proper divisors (28158083077).

1123201104203 is an equidigital number, since it uses as much as digits as its factorization.

1123201104203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55078 (or 55037 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1123201104203 its reverse (3024011023211), we get a palindrome (4147212127414).

The spelling of 1123201104203 in words is "one trillion, one hundred twenty-three billion, two hundred one million, one hundred four thousand, two hundred three".